/*
 * Copyright 2005-2007 Noelios Consulting.
 * 
 * The contents of this file are subject to the terms of the Common Development
 * and Distribution License (the "License"). You may not use this file except in
 * compliance with the License.
 * 
 * You can obtain a copy of the license at
 * http://www.opensource.org/licenses/cddl1.txt See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL HEADER in each file and
 * include the License file at http://www.opensource.org/licenses/cddl1.txt If
 * applicable, add the following below this CDDL HEADER, with the fields
 * enclosed by brackets "[]" replaced with your own identifying information:
 * Portions Copyright [yyyy] [name of copyright owner]
 */

package com.noelios.restlet.http;

import java.io.IOException;

import org.restlet.data.CharacterSet;
import org.restlet.data.MediaType;
import org.restlet.data.Preference;

import com.noelios.restlet.util.PreferenceReader;

/**
 * Association of a media type and a character set.
 * 
 * @author Jerome Louvel (contact@noelios.com)
 */
public class ContentType {
	/**
	 * The content media type.
	 */
	private MediaType mediaType;

	/**
	 * The content character set.
	 */
	private CharacterSet characterSet;

	/**
	 * Constructor.
	 * 
	 * @param headerValue
	 *            The "Content-type" header to parse.
	 */
	public ContentType(String headerValue) {
		try {
			PreferenceReader<MediaType> pr = new PreferenceReader<MediaType>(
					PreferenceReader.TYPE_MEDIA_TYPE, headerValue);
			Preference<MediaType> pref;
			pref = pr.readPreference();
			this.mediaType = pref.getMetadata();

			String charSet = this.mediaType.getParameters().getFirstValue(
					"charset");
			if (charSet != null) {
				this.characterSet = new CharacterSet(charSet);
			}
		} catch (IOException ioe) {
			ioe.printStackTrace();
		}
	}

	/**
	 * Returns the media type.
	 * 
	 * @return The media type.
	 */
	public MediaType getMediaType() {
		return mediaType;
	}

	/**
	 * Returns the character set.
	 * 
	 * @return The character set.
	 */
	public CharacterSet getCharacterSet() {
		return characterSet;
	}

}
